<template>
    <div>
        <el-breadcrumb separator-class="iconfont icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item><el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8">
             <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
    <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
  </el-input></el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>
        </el-row>

        <!--table表格区域-->      
        <el-table :data="goodslist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格（元）" prop="goods_price"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight"></el-table-column>
            <el-table-column label="创建时间" prop="add_time">
                <template slot-scope="scope">
                    {{scope.row.add_time | dataFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作">
                <template slot-scope="scope">
                    <el-button type="danger" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <!--分页区域-->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
    </div>
</template>
<script>
export default {
   data() {
      return {
          // 查询参数对象
          queryInfo: {
              query: '',
              pagenum: 1,
              pagesize: 10
          },
          goodslist:[],
          total: 0
      }
   },
   methods: {
       // 根据分页获取对应的商品列表
       async getGoodsList() {
         const {data:res} = await  this.$http.get('goods',{params: this.queryInfo})

         if(res.meta.status !== 200) {
             return this.$message.error('获取商品列表失败！')
         }

         this.$message.success('获取商品列表成功！')

         console.log(res.data)
         this.goodslist = res.data.goods
         this.total = res.data.total
         console.log(this.goodslist)
       },
       handleSizeChange(newSize) {
           this.queryInfo.pagesize = newSize
           this.getGoodsList()
       },
       handleCurrentChange(newPage) {
           this.queryInfo.pagenum = newPage
           this.getGoodsList()
       },
       // 根据Id删除商品信息
       async removeById(id) {
           const confirmResult =  await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        // 用户取消了删除的操作
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除！')
        }

        // 删除的业务逻辑
        const {data: res} = await this.$http.delete(`goods/${id}`)

        if(res.meta.status !== 200) {
            return this.$message.error('删除参数失败！')
        }

        this.$message.success('删除参数成功！')
        this.getGoodsList()
       },
       goAddpage() {
           this.$router.push('/goods/add')
       }
   },
   created() {
       this.getGoodsList()
   }
}
</script>
<style scoped>
</style>
